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/*
* Unix Command Execution
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_UNIX_CMD_H__
#define BOTAN_UNIX_CMD_H__
#include <botan/types.h>
#include <botan/data_src.h>
#include <string>
#include <vector>
namespace Botan {
/**
* Unix Program Info
*/
struct Unix_Program
{
/**
* @param n is the name and arguments of what we are going run
* @param p is the priority level (lower prio numbers get polled first)
*/
Unix_Program(const char* n, u32bit p)
{ name_and_args = n; priority = p; working = true; }
std::string name_and_args;
u32bit priority;
bool working;
};
/**
* Command Output DataSource
*/
class DataSource_Command : public DataSource
{
public:
u32bit read(byte[], u32bit);
u32bit peek(byte[], u32bit, u32bit) const;
bool end_of_data() const;
std::string id() const;
int fd() const;
DataSource_Command(const std::string&,
const std::vector<std::string>& paths);
~DataSource_Command();
private:
void create_pipe(const std::vector<std::string>&);
void shutdown_pipe();
const u32bit MAX_BLOCK_USECS, KILL_WAIT;
std::vector<std::string> arg_list;
struct pipe_wrapper* pipe;
};
}
#endif
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